Mastication is just a fancy way to say chewing. Since nothing chemical is going on and the food is just being chewed, the answer is physical.
Comets are most like planets have elliptical orbits
Answer: The answer is Echinoderms
Explanation: The skin of most species is covered by spines, “warts,” or other projections.
ATP is the most important product of the krebs cycle(36 moles)
